Update from https://crrev.com/304715

net/filter/gzip_filter.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/filter/gzip_filter.h"
 
 #include "base/logging.h"
 #include "net/filter/gzip_header.h"
 #include "third_party/zlib/zlib.h"
 
 namespace net {
 
-GZipFilter::GZipFilter()
-    : decoding_status_(DECODING_UNINITIALIZED),
+GZipFilter::GZipFilter(FilterType type)
+    : Filter(type),
+      decoding_status_(DECODING_UNINITIALIZED),
       decoding_mode_(DECODE_MODE_UNKNOWN),
       gzip_header_status_(GZIP_CHECK_HEADER_IN_PROGRESS),
       zlib_header_added_(false),
       gzip_footer_bytes_(0),
       possible_sdch_pass_through_(false) {
 }
 
 GZipFilter::~GZipFilter() {
   if (decoding_status_ != DECODING_UNINITIALIZED) {
     inflateEnd(zlib_stream_.get());
@@ skipping 264 matching lines @@
     stream_data_len_ -= footer_byte_avail;
     next_stream_data_ += footer_byte_avail;
     gzip_footer_bytes_ += footer_byte_avail;
 
     if (stream_data_len_ == 0)
       next_stream_data_ = NULL;
   }
 }
 
 }  // namespace net